Debt (Details) - USD ($) |
1 Months Ended | 5 Months Ended | 9 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
Jul. 13, 2021 |
Dec. 31, 2020 |
Apr. 23, 2020 |
Jul. 31, 2019 |
May 31, 2021 |
Nov. 30, 2020 |
Sep. 30, 2021 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Debt (Details) [Line Items] | |||||||||
| Convertible notes | $ 1,528,000 | ||||||||
| Unpaid accrued interest | $ 191,000 | ||||||||
| Conversion shares issued percentage | 25.00% | ||||||||
| Shares of common stock (in Shares) | 1,159,065 | ||||||||
| Financing excess | $ 500,000 | ||||||||
| Other expenses | $ 63,000 | ||||||||
| Paycheck Protection Program [Member] | |||||||||
| Debt (Details) [Line Items] | |||||||||
| Debt instrument maturity period, description | the Company entered into an $18,000 loan with Silicon Valley Bank pursuant to the Small Business Administration’s (“SBA”) Paycheck Protection Program (“PPP”) as well as a $1,000 loan pursuant to the Economic Injury Disaster Assistance Program. The PPP loan proceeds are intended to be used for payroll over the eight-week period following the date of the loan. The loan terms provide that no principal or interest payments are due and interest will accrue at 1% per annum commencing on April 23, 2020 through October 23, 2020 (deferral period). Commencing one month after the deferral period and continuing monthly through the maturity of the loan on April 23, 2022, equal monthly payments of principal and interest are due. The Company classified the loans as a current liability, has applied for and received loan forgiveness in February 2021, and recorded a gain on extinguishment of debt in the statement of operations for the nine months ended September 30, 2021. | ||||||||
| 2021 Notes [Member] | |||||||||
| Debt (Details) [Line Items] | |||||||||
| Principal amount | $ 1,098,000 | ||||||||
| Debt instrument interest rate | 12.00% | ||||||||
| Gross proceeds | $ 500,000 | ||||||||
| Qualified financing percentage | 70.00% | ||||||||
| 2020 Notes [Member] | |||||||||
| Debt (Details) [Line Items] | |||||||||
| Debt instrument maturity period, description | the Company issued convertible notes (the “2020 Notes”) in the aggregate principal amount of $1,290,000. The 2020 Notes bear interest at a rate of 12% per annum, payable at maturity, and mature between July and November, 2021. The 2020 Notes shall automatically convert into shares of the Company’s common stock upon the closing of a financing pursuant to which the Company receives gross proceeds of at least $500,000 (a “Qualified Financing”) or upon a change of control. The 2020 Notes shall convert into such numbers of shares of the Company’s common stock equal to the conversion amount divided by the Conversion Price. | ||||||||
| Accrued interest | 53,000 | $ 431,000 | |||||||
| Convertible notes | $ 186,000 | ||||||||
| 2018 Notes [Member] | |||||||||
| Debt (Details) [Line Items] | |||||||||
| Debt instrument maturity period, description | the Company raised $550,000 from the issuance of twelve convertible promissory notes (the “2018 Notes”). The 2018 Notes bear interest at 10% per annum which was payable at maturity. The 2018 Notes’ principal and interest were due and payable on written demand by the majority of the 2018 Note holders on the two-year anniversary of the first 2018 Note issued. The first 2018 Note was issued on October 5, 2017 and, accordingly, all 2018 Notes would have matured on October 5, 2019. In the event the Company consummated an equity financing with an aggregate sales price of not less than $500,000, then the aggregate outstanding principal and unpaid interest would automatically convert into shares of the Company’s common stock. The per-share price of the conversion would be equal to 75% of the price per share paid by the cash purchasers of the common stock sold in the financing. | the Company raised $550,000 from the issuance of twelve convertible promissory notes (the “2018 Notes”). The 2018 Notes bear interest at 10% per annum which was payable at maturity. The 2018 Notes’ principal and interest were due and payable on written demand by the majority of the 2018 Note holders on the two-year anniversary of the first 2018 Note issued. The first 2018 Note was issued on October 5, 2017 and, accordingly, all 2018 Notes would have matured on October 5, 2019. In the event the Company consummated an equity financing with an aggregate sales price of not less than $500,000, then the aggregate outstanding principal and unpaid interest would automatically convert into shares of the Company’s common stock. The per-share price of the conversion would be equal to 75% of the price per share paid by the cash purchasers of the common stock sold in the financing. | |||||||
| Initial Public Offering [Member] | |||||||||
| Debt (Details) [Line Items] | |||||||||
| Principal amount | $ 2,387,000 | ||||||||